Preparation method of multifunctional magnetic targeting nano-drug carrier
A nano-drug carrier and multi-functional technology, applied in nano-drugs, drug combinations, drug delivery, etc., can solve the problems of difficult labeling of tumor tissue, easy transfer of original cancer cells, and large toxic and side effects, so as to improve drug delivery efficiency, antibacterial Excellent performance and large specific surface area
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Embodiment 1
[0021] (1) Take 250 mg of iron sulfate and 200 mg of cellulose in deionized water, and the pH of the ammonia water regulation system is 10. The resulting product was transferred into a high pressure reaction kettle, and the heat was heated at 220 ° C for 8 h. After cooling, vacuum filtration was vacuum filtered, and the red product was filtered, and the product was washed with deionized water, and then dried at a constant temperature drying tank at an 80 ° C. The dried sample was taken out and then calcined in a clean crucible at 500 ° C for 2 h. (2) 30 mg of silver nitrate was dissolved in 20 ml of n-butanol, and mixed with uniform and warmed to 60 ° C, add a dispersed tetrashydoxide solution, and the temperature continued to 90 ° C for 2 h. Cool to the room temperature magnetic separation product and washed repeatedly with ethanol. (3) Fe 3 O 4 -AG @ c @ Moo 2 The preparation process is: 120 mg of bimetal particles dissolved in 50 ml of deionized water to oscillate 20 min, then ...
Embodiment 2
[0023] (1) Take 330 mg of hexahydrate and 300 mg of glucose dissolved in deionized water, and the pH of the ammonia water regulation system is added to greater than 10. The resulting product was transferred into a high pressure reaction kettle, and the heat was hot in 200 ° C for 10 h. After cooling, vacuum filtration was vacuum, filtered to give a red product, and then washed with deionized water, and then dried at a constant temperature drying tank at 60 ° C. The dried sample was taken out and then calcined in a clean crucible at 450 ° C for 2 h. (2) 20 mg of silver nitrate was dissolved in 15 ml of isopropanol, and the mixture was mixed after mixing to 70 ° C, and the dispersed tetrashydoxide was added, and the temperature continued to 90 ° C for 2 h. Cool to the room temperature magnetic separation product and washed repeatedly with ethanol. (3) Fe 3 O 4 -AG @ c @ Moo 2 The preparation process is: 100 mg of bimetal particles dissolved in 50 ml of deionized water, the ultrasoni...
PUM
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